Year: 2016

Hey Folks! Ajay Sarkaria here with new information on the changes in dynamic DNS registrations. In the past, we have had many customers who call Microsoft support with scenarios where dynamic DNS registration from a Microsoft DHCP server either fail or is delayed. This causes printers or other critical devices to not get registered or… Read more

By Jason Messer, Senior Program Manager Using VXLAN for Encapsulation and OVSDB for Policy Distribution Windows Server 2016 is the perfect platform for building your Software-Defined Data Center (SDDC) with new layers of security and Azure-inspired innovation for hosting business applications and infrastructure. A critical piece of this SDDC is the new Software Defined Network… Read more

Daniel Havey, Praveen Balasubramanian Like all modern operating systems Windows has receive window auto-tuning to dynamically adjust the receive buffer size to the throughput and latency of the link. Disabling this feature will definitely limit your Internet speeds. Auto-tuning is consistent throughout all variants of TCP and present in all modern operating systems. In… Read more

My name is Ajay Sarkaria and I am a Supportability Program Manager at Microsoft. We have been seeing support volumes where administrators while performing daily tasks may accidentally delete a DNS Zone which is being used in production. This post comes with inputs from our friends in Microsoft PFE team Brent Whitlow; Bryan Zink; Michael… Read more

Christian Huitema, Daniel Havey, Matt Olson, Osman Ertugay, Praveen Balasubramanian TCP based communication is used ubiquitously in devices from IoT to cloud servers. Performance improvements in TCP benefit almost every networking workload. The Data Transports and Security (DTS) team in Windows and Devices Group is committed to making Windows TCP best in class. This document… Read more

This post will help you to configure Enterprise or Physical Infrastructure Gateways using Windows RRAS to validate the End-to-E2E data path for Gateway connections with SDN Private Cloud that you have set up using the instruction from these deployment guides. To understand the deployment topology for various types of Gateways, we need to first understand… Read more

Here’s another blog by Ajay Sarkaria that we felt needed to also be on the Networking site due to the nature and the popularity of the article. So we are going to cross post it here. Fix: Loading DNS zones takes a long time on a Windows Server 2008 R2-based DNS serverhttp://blogs.technet.com/b/supportingwindows/archive/2016/04/25/fix-loading-dns-zones-takes-a-long-time-on-a-windows-server-2008-r2-based-dns-server.aspx Please keep in… Read more

Here’s a blog done by Ajay Sarkaria that we felt needed to also be on the Networking site due to the nature and the popularity of the article. So we are going to cross post it here. LBFO Dynamic Teaming mode may drop send packets in Windows Server 2012 R2 http://blogs.technet.com/b/supportingwindows/archive/2016/03/04/lbfo-dynamic-teaming-mode-may-drop-send-packets-in-windows-server-2012-r2.aspx Please keep in mind… Read more

[This post comes to us courtesy of Vithalprasad Gaitonde from Product Group and Gopalakrishnan Krishnan from Global Windows Networking Support] The DHCP service has evolved with its own in-built failover capability starting Windows Server 2012. With this coming into the picture, how can one go about backing up the DHCP server service with the failover… Read more

Hello First a small introduction. I am Marco Cancillo and have been working at Microsoft since 2013 as a Sr. Support Engineer in the western Europe CTS Network team.Within my work I have seen challenges on how to use set-netadaptervmq and achieve an optimal configuration. set-netadaptervmqcmdlet sets the virtual machine queue (VMQ) properties of the… Read more

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